In 2012 I started testing a new hydrogen peroxide based bleach with an acid as a stabilizer, citric acid was the first choice, and these were my first positive results with Fomapan R100 on 16mm film.
1944
1939
1953
1931
1948
1942
1938
1937
1936
1947
1935
2017
2016
1930
1949
1933